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Thread: Do I really need a smog pump??
02-12-2011 05:13 PM #1
Do I really need a smog pump??
Wife's '97 2.8 secondary air pump froze up. It is made service impossible and replacements aren't cheap. I unplugged it. No testing here and I don't care about the environment so does this pump do anything necessary? How do I get the CEL to turn off with the smog pump unplugged?
02-12-2011 08:04 PM #2
Smog pumps help the catalytic converters get up to operating temperature faster. If your wife does a lot of short trips the cats may never reach operating temperature and eventually fail. If she does long drives all the time where the cats can get up to operating temp it may be OK.
If it were me, I'd replace the smog pump simply because its cheaper than replacing the cat.
2002 Z3 3.0i
02-23-2011 09:47 AM #3
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